Normal values for fundus perimetry with the microperimeter MP1

Edoardo Midena, Stela Vujosevic, Fabiano Cavarzeran

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To identify age-stratified normal light sensitivity values for microperimetry (fundus perimetry) and to evaluate the short-term repeatability of the MP1 microperimeter in normal volunteers. Design: Multicenter, prospective, observational study. Participants: One hundred ninety subjects. Methods: One hundred ninety eyes of 190 healthy volunteers (age range, 20-75 years) underwent automatic, full-threshold microperimetry of the central field (20×20°, 77 stimulated points) with the MP1 microperimeter (Nidek Technologies, Gamagori, Japan). Fixation was documented simultaneously. A subgroup of 10 subjects was retested after 1 hour and 1 week to determine the repeatability of this technique. Main Outcome Measures: By linear regression analyses, light sensitivity values were obtained from 4 fundus areas and were analyzed for differences related to region, age, and, in a subset of subjects, repeat testing over time and right and left eye variability. Short-term repeatability for each area was evaluated by calculating intraclass correlation coefficients. Results: Linear regression analysis showed a significantly greater (P

Original languageEnglish
JournalOphthalmology
Volume117
Issue number8
DOIs
Publication statusPublished - 2010

ASJC Scopus subject areas

  • Ophthalmology

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